> Markdown version of [/jobs/ext/4707944-senior-platform-security-engineer](https://www.wearedevelopers.com/jobs/ext/4707944-senior-platform-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Platform Security Engineer - **Company:** True Talent Solutions LLC - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Salary:** $200,000 - $330,000 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Cloud Computing, Cyber Security, Continuous Delivery, Continuous Integration, Customer Data Management, Data Security, Identity and Access Management, Python (Programming Language), Key Management, TypeScript, Policy as Code, Cloud Platform System, Istio, AI Platforms, Kubernetes, Software Coding, Terraform, Golang - **Published:** November 13, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-platform-security-engineer-san-francisco-ca--6dc78eff-2414-4949-bb0d-13917645c0ba ## About the Role Security Infrastructure, Artificial Intelligence (AI), Customer/Client Research, Information/Data Security (InfoSec), Automation, Continuous Integration, Continuous Deployment/Delivery, Product Engineering, Regulatory Compliance, On Call, * At least 4 years of infrastructure or platform engineering experience, with meaningful security exposure or a strong interest in security engineering. * Production experience with cloud infrastructure on GCP and/or AWS, including networking, IAM, compute, and security services. * Hands-on Terraform and Kubernetes expertise, plus experience with GitOps, secure container deployment, or service mesh. * Strong coding skills in Python, Go, TypeScript, or a similar language, and experience building developer-facing tools and automation. * Experience with observability, alerting, and incident response. * Ability to apply AI-assisted development tools to improve engineering workflows. * Experience translating enterprise security and compliance needs, such as SOC 2, ISO 27001, and GDPR, into practical controls is valuable. * Experience building infrastructure or security capabilities in a startup or high-growth environment is a plus. ## Description We are hiring a founding platform security engineer to build and operate the security infrastructure behind an enterprise AI platform. This hands-on role will shape the infrastructure security program and help engineering teams ship secure, reliable services by default., * Design and implement secure, multi-tenant infrastructure that protects customer data and supports efficient AI model serving. * Build secure service templates, libraries, Terraform policies, and automation that make services production-ready by default. * Own infrastructure-as-code and GitOps practices, including reusable modules and policy-as-code. * Develop and operate alerting, detection, secrets management, IAM, and automated remediation capabilities, integrating them with CI/CD and developer workflows. * Partner with security, infrastructure, and product engineering teams to turn compliance requirements into automated technical controls. * Participate in security on-call and improve observability, runbooks, and incident learnings.